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Celldex Therapeutics (CLDX) Stock Chart & Stock Price History

Celldex Therapeutics logo
$40.38 +0.44 (+1.10%)
As of 08/21/2026 04:00 PM Eastern

Celldex Therapeutics Stock Price Performance

The Celldex Therapeutics (CLDX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 79.79%, with a year-to-date return of 48.67%. In the past month, the stock has increased 14.00%, reflecting recent market activity.

As of the latest close, Celldex Therapeutics traded at $40.38 with a market cap of $3.17 billion and volume of 837,684 shares. Five years ago, the stock traded at $48.96, representing a 17.52% decrease over that period. At the time, it had a market cap of $2.28 billion and a volume of 676,513 shares.

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5 Day
Performance
-3.37%
1 Month
Performance
+14.00%
3 Month
Performance
+31.40%
Year-To-Date
Performance
+48.67%
1 Year
Performance
+79.79%
5 Year
Performance
-17.52%

CLDX Stock Chart for Sunday, August, 23, 2026

Celldex Therapeutics Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/21/2026$39.94$40.38
+1.10%
$41.24$40.12837,684 shs$3.17 billion
08/20/2026$41.70$39.94
-4.22%
$42.00$39.451.00 million shs$3.14 billion
08/19/2026$41.79$41.70
-0.22%
$43.20$41.331.39 million shs$3.27 billion
08/18/2026$41.92$41.79
-0.31%
$42.36$41.03998,961 shs$3.28 billion
08/17/2026$41.95$41.92
-0.07%
$42.81$41.07629,804 shs$3.29 billion
08/14/2026$42.61$41.95
-1.55%
$42.35$40.88849,360 shs$3.29 billion
08/13/2026$44.87$42.61
-5.04%
$45.13$42.56670,859 shs$3.35 billion
08/12/2026$44.33$44.87
+1.22%
$45.14$43.801.59 million shs$3.52 billion
08/11/2026$42.97$44.33
+3.16%
$44.60$42.46767,363 shs$3.48 billion
08/10/2026$41.71$42.97
+3.02%
$43.21$41.41727,630 shs$3.37 billion
08/07/2026$41.56$41.71
+0.36%
$42.92$41.29808,912 shs$3.27 billion
08/06/2026$41.06$41.56
+1.22%
$41.74$40.84799,080 shs$3.26 billion
08/05/2026$39.05$41.06
+5.15%
$41.15$38.86788,349 shs$3.22 billion
08/04/2026$37.69$39.05
+3.61%
$39.34$37.541.03 million shs$3.07 billion
08/03/2026$38.06$37.69
-0.97%
$38.59$37.051.64 million shs$2.96 billion
07/31/2026$38.49$38.06
-1.12%
$38.65$37.15875,735 shs$2.99 billion
07/30/2026$37.51$38.49
+2.61%
$38.59$37.23743,224 shs$3.02 billion
07/29/2026$35.58$37.51
+5.42%
$37.76$35.581.57 million shs$2.94 billion
07/28/2026$35.65$35.58
-0.20%
$36.05$35.00565,523 shs$2.79 billion
07/27/2026$35.28$35.65
+1.05%
$36.40$35.121.04 million shs$2.80 billion
07/24/2026$35.42$35.28
-0.40%
$35.76$34.74639,219 shs$2.77 billion
07/23/2026$34.77$35.42
+1.87%
$35.75$33.97856,468 shs$2.78 billion
07/22/2026$35.66$34.77
-2.50%
$36.09$33.371.93 million shs$2.73 billion

This page (NASDAQ:CLDX) was last updated on 8/21/2026 by MarketBeat.com Staff.
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